Apparatus and method for shutdown of wireless communications mob

Details Apparatus and method for shutdown of wireless communications mob Apparatus and method for shutdown of wireless communications mob

1997-06-17

1999-09-07

Bost, Dwayne D.

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

455574, 455403, H04Q 720, H04B 116, H04B 138

Patent

active

059501200

ABSTRACT:
The present invention presents a mobile station of a wireless communications system such that when the mobile station is in idle mode (i.e., listening to a paging channel periodically, but otherwise taking no action), the control processor commands the mobile station to enter into sleep mode to minimize power consumption. During sleep mode, the high-frequency reference clock and thus all high-frequency clocks derived from it are turned off. Only a low-frequency clock remains operating at all times to clock the sleep logic.

REFERENCES:
patent: 4209786 (1980-06-01), Barley et al.
patent: 4331941 (1982-05-01), Kovalick et al.
patent: 5101506 (1992-03-01), Walls
patent: 5142699 (1992-08-01), Sato et al.
patent: 5283568 (1994-02-01), Asai et al.
patent: 5737323 (1998-04-01), Lansdowne

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